| Term |
| WABC - Westamerica Bancorporation |
| WACLY - Wacoal Holdings Corporation |
| WAIN - Wainwright Bank & Trust Company |
| WASH - Washington Trust Bancorp Inc. |
| WATG - Wonder Auto Technology Inc. |
| WAUW - Wauwatosa Holdings Inc. |
| WAVE - NextWave Wireless Inc |
| WAVX - Wave Systems Corp. |
| WAYN - Wayne Savings Bancshares Inc. |
| WBCO - Washington Banking Company |
| WBMD - WebMD Health Corp |
| WBNK - Waccamaw Bankshares Inc |
| WBNKW - Waccamaw Bankshares Inc |
| WBPRJ - W Holding Company Incorporated |
| WBPRK - W Holding Company Incorporated |
| WBPRL - W Holding Company Incorporated |
| WBPRM - W Holding Company Incorporated |
| WBPRN - W Holding Company Incorporated |
| WBPRO - W Holding Company Incorporated |
| WBPRZ - W Holding Company Incorporated |
| WBSN - Websense Inc. |
| WBSTP - Webster Preferred Capital Corp |
| WCAA - WCA Waste Corporation |
| WCBO - West Coast Bancorp |
| WCRX - Warner Chilcott Limited |
| WDFC - WD-40 Company |
| WEDC - White Electronic Designs Corporation |
| WERN - Werner Enterprises Inc. |
| WEST - Western Sizzlin Corporation |
| WEYS - Weyco Group Inc. |
| WFBC - Willow Financial Bancorp Inc. |
| WFD - Westfield Financial Inc. |
| WFMI - Whole Foods Market Inc. |
| WFSL - Washington Federal Inc. |
| WGNB - WGNB Corp. |
| WGNR - Wegener Corporation |
| WGOV - Woodward Governor Company |
| WHRT - World Heart Corporation |
| WIBC - Wilshire Bancorp Inc. |
| WILC - G. Willi-Food International Ltd. |
| WINA - Winmark Corporation |
| WIND - Wind River Systems Inc. |
| WINN - Winn-Dixie Stores Inc. |
| WINS - SM&A |
| WIRE - Encore Wire Corporation |
| WJCI - WJ Communications Inc. |
| WLDN - Willdan Group Inc. |
| WLFC - Willis Lease Finance Corporation |
| WLFCP - Willis Lease Finance Corporation |
| WLSN - Wilsons The Leather Experts Inc. |
| WMAR - West Marine Inc. |
| WMCO - Williams Controls Inc. |
| WMGI - Wright Medical Group Inc. |
| WOLF - Great Wolf Resorts Inc. |
| WOOF - VCA Antech Inc. |
| WPCS - WPCS International Incorporated |
| WPPGY - WPP Group plc |
| WPTE - WPT Enterprises Inc. |
| WRES - Warren Resources Inc. |
| WRLD - World Acceptance Corporation |
| WRLS - Telular Corporation |
| WRNC - Warnaco Group Inc (The) |
| WRSP - WorldSpace Inc. |
| WSB - WSB Holdings Inc. |
| WSBC - WesBanco Inc. |
| WSCC - Waterside Capital Corporation |
| WSCI - WSI Industries Inc. |
| WSFG - WSB Financial Group Inc. |
| WSFS - WSFS Financial Corporation |
| WSII - Waste Services Inc. |
| WSPI - Website Pros Inc. |
| WSTF - Westaff Inc. |
| WSTG - Wayside Technology Group Inc. |
| WSTL - Westell Technologies Inc. |
| WSTM - Workstream Inc. |
| WTBA - West Bancorporation |
| WTFC - Wintrust Financial Corporation |
| WTNY - Whitney Holding Corporation |
| WTSLA - Wet Seal Inc. (The) |
| WVCM - Wavecom S.A. |
| WVFC - WVS Financial Corp. |
| WVVI - Willamette Valley Vineyards Inc. |
| WWIN - Waste Industries USA Inc. |
| WWVY - Warwick Valley Telephone Company |
| WYNN - Wynn Resorts Limited |
| WZEN - Webzen Inc |
